137901872 has 10 divisors (see below), whose sum is σ = 267184908. Its totient is φ = 68950928.

The previous prime is 137901839. The next prime is 137901877. The reversal of 137901872 is 278109731.

It is a super-2 number, since 2×137901872² = 38033852602208768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137901877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4309418 + ... + 4309449.

Almost surely, 2^137901872 is an apocalyptic number.

It is an amenable number.

137901872 is a deficient number, since it is larger than the sum of its proper divisors (129283036).

137901872 is an equidigital number, since it uses as much as digits as its factorization.

137901872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8618875 (or 8618869 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 137901872 is about 11743.1627766969. The cubic root of 137901872 is about 516.6424104233.

The spelling of 137901872 in words is "one hundred thirty-seven million, nine hundred one thousand, eight hundred seventy-two".